A trailer for the new movie “Olympus Has Fallen” is using short bursts of a real Emergency Alert System tones as part of its soundtrack.

Radio magazine decoded the tones from the trailer titled, “No Surrender” and tracked them to a monthly test in Virginia. While the trailer is currently posted on You Tube, The Society of Broadcast Engineers has warned stations they could be in trouble if they use it on air:

March 7, 2013 – This is an advisory that a new movie, Olympus Has Fallen, to be released on March 22, 2013, uses actual EAS tones in the movie trailer. If the trailer is used in radio or TV advertisements, the stations may be subject to FCC fine. Read more